The effect of certain hormones on the preharvest drop and maturity of apples

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Abstract

Sprays of 2,4,5-TP and combination sprays of 2,4,5-TP and MH-40
V were found to effectively reduce the preharvest drop of Starking,
Winesap and Stayman apples. An application of 2,4,5-TA was effective .
V on the Starking and Stayman, but not as effective on the Winesap.
None of the hormones gave a significant reduction in drop on the
Golden Delicious.